[Feature][UI Next][V1.0.0-Alpha] remove VITE_APP_PROD_WEB_URL (#8657)

* Adapt web configurations for UI next

* remove VITE_APP_PROD_WEB_URL
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>

dolphinscheduler-ui-next/.env.production

@@ -15,4 +15,4 @@
 
 NODE_ENV=production
 
-VITE_APP_PROD_WEB_URL='http://127.0.0.1:12345'
+VITE_APP_PROD_WEB_URL=''